Diff Report
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #538e3b37c1a66Run #538e3ac0de109DiffDiff%
Number of Function Calls592 590 -2 -0.3%
Incl. Wall Time (microsec)35,168 35,098 -70 -0.2%
Incl. Wall Time (microsec) per call 59 59 0 0.1%
Excl. Wall Time (microsec)725 724 -1 -0.1%
Incl. CPU (microsecs)35,584 35,481 -103 -0.3%
Incl. CPU (microsecs) per call 60 60 0 0.0%
Excl. CPU (microsec)1,080 1,047 -33 -3.1%
Incl. MemUse (bytes)5,428,864 5,426,832 -2,032 -0.0%
Incl. MemUse (bytes) per call 9,170 9,198 28 0.3%
Excl. MemUse (bytes)-9,464 -9,456 8 0.1%
Incl. PeakMemUse (bytes)5,074,288 5,075,264 976 0.0%
Incl. PeakMemUse (bytes) per call 8,571 8,602 31 0.4%
Excl. PeakMemUse (bytes)8,240 8,240 0 0.0%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists-2 -100.0% -70 -1.6% -103 -2.8% -2,032 -1.9% 976 0.8%
Exclusive Metrics Diff for Current Function-1 -1.4% -33 -32.0% 8 0.4% 0 0.0%
Parent functions
Drupal\Core\Entity\EntityType::hasControllerClass0 0.0% -203 -290.0% -209 -202.9% 120 5.9% 104 10.7%
Drupal\Core\Entity\Query\QueryBase::getClass0 0.0% 132 188.6% 133 129.1% -24 -1.2% 24 2.5%
Drupal\Core\Form\FormBuilder::getFormId0 0.0% 109 155.7% 109 105.8% 80 3.9% -16 -1.6%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -105 -150.0% -111 -107.8% -2,016 -99.2% 992 101.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 24 34.3% 23 22.3% -48 -2.4% 208 21.3%
Drupal\Core\Entity\EntityManager::getDefinition0 0.0% -20 -28.6% -39 -37.9% -120 -5.9% -336 -34.4%
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition0 0.0% -5 -7.1% -7 -6.8% -24 -1.2% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-2 -100.0% -2 -2.9% -4 -3.9% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -1.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 10 9.7% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% -7 -6.8% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% -69 -98.6% -70 -68.0% -2,040 -100.4% 976 100.0%